Uh, where is your 'second butterfly' located?  On the Vanagon?  ;)

On Tue, May 11, 2010 at 5:06 PM, tom ring <taring@taring.org> wrote:

> It's an 85 1.9 with about 104k on it.
>
> Drove it 30 miles at freeway speeds, 60 to 72, today and it was running
> very
> nice.  I could hold about 68 just touching the second butterfly.  Trying to
> burn off about 3 gallons of 1 year old fuel mixed with fresh added up to
> whatever the full tank holds.  Going to add a can of Sea Foam before a run
> after work tomorrow.
>
> tom
> K0TAR
>
> On 11 May 2010 at 13:07, Scott Daniel - Turbovans wrote:
>
> > it's not a matter of is proper backpressure needed,
> > but more that exhaust vales will burn after a while with an exhaust leak
> > near that exhaust port,
> >
> > I don't see which engine Tom the question asker has ...
> > but I'll say that I find slightly burnt or rough exhaust valves on
> > waterboxer 2.1's all the time.
> > it's normal even ..
> > I go to do head gaskets, check the valves for leakage, and the exhaust
> ones
> > are usually a little leaky ..
> > like doing 80 % of the sealing they should be doing.
> >
> > so given that, it's not that smart to run with significant exhaust system
> > cracks or leaks.
> > It  could even be a fire hazard.
> > in any engine.
> >
> > Scott
> > www.turbovans.com
> >
> >
> > ----- Original Message -----
> > From: "tom ring" <taring@TARING.ORG>
> > To: <vanagon@GERRY.VANAGON.COM>
> > Sent: Monday, May 10, 2010 8:04 PM
> > Subject: Re: Good local mechanic worked on my 85
> >
> >
> > > And a question.  I have had a very minor to major break in the exhaust
> for
> > > a
> > > few thousand miles.  The very minor was a lengthwise split about 2
> inches
> > > from
> > > the head and extending for about an inch and a half.  That was around
> in
> > > somewhat patched to not patched for a couple cycles for about 5
> thousand
> > > miles.
> > > The major was the driver side forward cylinder.  Broke at the flange.
>  Bad
> > > mojo.  20 miles home.
> > >
> > > Patched with the nasty white exhaust paste wrapped with the high temp
> buck
> > > a
> > > foot exhaust wrap and then with steel fence wire with about 1/16 to 1/8
> > > spacing.
> > >
> > > Lasted for 150 miles, almost all I needed last summer.
> > >
> > > So the question - is proper/even back pressure a critical thing on
> these
> > > engines?  Because this thing is more balanced cylinderwise and just in
> > > general
> > > than I remember.
> > >
> > > tom
> > > K0TAR
> > >
> > > On 10 May 2010 at 21:27, tom ring wrote:
> > >
> > >> Just had a local private mechanic install a new exhaust on an engine
> that
> > >> had
> > >> at least 1 broken stud.  He removed and welded a couple other support
> > >> bits
> > >> during the job.  Replaced the oxy sensor with new.  Installed all new
> > >> fuel
> > >> lines and covered them with the old outside protective plastic
> shrouds.
> > >>
> > >> I supplied the new exhaust kit and fuel line kit but nothing else.  He
> > >> picked
> > >> up the oxy sensor and replacement studs as well as a few other gaskets
> > >> and
> > >> bolts.
> > >>
> > >> Total bill - $330 including additional parts and shop.  I like
> Westside
> > >> VW, but
> > >> this was a lot cheaper for 10 hours of work.
> > >>
> > >> He is in the Minneapolis metro if anyone is interested.  Contact me at
> > >> the
> > >> shown email address.
> > >>
> > >> tom
> > >> K0TAR
> > >>
> > >>
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> > >> signature database 5103 (20100510) __________
> > >>
> > >> The message was checked by ESET NOD32 Antivirus.
> > >>
> > >> http://www.eset.com
> > >>
> > >>
> > >>
> >
> >
> > __________ Information from ESET NOD32 Antivirus, version of virus
> signature database 5106 (20100511) __________
> >
> > The message was checked by ESET NOD32 Antivirus.
> >
> > http://www.eset.com
> >
> >
> >
>

--
Jake

1984 Vanagon GL 1.9 WBX 'The Grey Van'
1986 Westy Weekender/2.5 SOHC Suby 'Dixie'

Crescent Beach, BC

www.thebassspa.com
www.crescentbeachguitar.com
http://subyjake.googlepages.com/mydixiedarlin%27